Ключевые слова: amazon, amazon river, animal, aquarium, aquarium fish, aquatic, background, beautiful, beauty, black, color, colorful, danger, dangerous, exotic, fin, fish, fish tank, food, freshwater, green, life, natural, nature, pet, pets, piranha, piranha fish, plant, predator, pygocentrus, pygocentrus nattereri, red, red piranha, redbellied piranha, river, sea, south america, swim, tank, teeth, tropical, underwater, water, wild, wildlife,